diff options
| -rw-r--r-- | arch/x86_64/kernel/mce.c | 2 | ||||
| -rw-r--r-- | arch/x86_64/kernel/smp.c | 23 | ||||
| -rw-r--r-- | arch/x86_64/kernel/traps.c | 10 | ||||
| -rw-r--r-- | include/asm-x86_64/smp.h | 2 |
4 files changed, 6 insertions, 31 deletions
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c index 4e017fb30fb..1a93c373840 100644 --- a/arch/x86_64/kernel/mce.c +++ b/arch/x86_64/kernel/mce.c @@ -182,7 +182,7 @@ void do_machine_check(struct pt_regs * regs, long error_code) goto out2; memset(&m, 0, sizeof(struct mce)); - m.cpu = safe_smp_processor_id(); + m.cpu = smp_processor_id(); rdmsrl(MSR_IA32_MCG_STATUS, m.mcgstatus); if (!(m.mcgstatus & MCG_STATUS_RIPV)) kill_it = 1; diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c index 2df988bbf31..4f67697f503 100644 --- a/arch/x86_64/kernel/smp.c +++ b/arch/x86_64/kernel/smp.c @@ -522,26 +522,3 @@ asmlinkage void smp_call_function_interrupt(void) } } -int safe_smp_processor_id(void) -{ - unsigned apicid, i; - - if (disable_apic || !apic_mapped) - return 0; - - apicid = hard_smp_processor_id(); - if (apicid < NR_CPUS && x86_cpu_to_apicid[apicid] == apicid) - return apicid; - - for (i = 0; i < NR_CPUS; ++i) { - if (x86_cpu_to_apicid[i] == apicid) - return i; - } - - /* No entries in x86_cpu_to_apicid? Either no MPS|ACPI, - * or called too early. Either way, we must be CPU 0. */ - if (x86_cpu_to_apicid[0] == BAD_APICID) - return 0; - - return 0; /* Should not happen */ -} diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c index 34660b1e272..38bc821e457 100644 --- a/arch/x86_64/kernel/traps.c +++ b/arch/x86_64/kernel/traps.c @@ -264,7 +264,7 @@ static int dump_trace_unwind(struct unwind_frame_info *info, void *context) void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * stack, struct stacktrace_ops *ops, void *data) { - const unsigned cpu = safe_smp_processor_id(); + const unsigned cpu = smp_processor_id(); unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr; unsigned used = 0; @@ -429,7 +429,7 @@ _show_stack(struct task_struct *tsk, struct pt_regs *regs, unsigned long *rsp) { unsigned long *stack; int i; - const int cpu = safe_smp_processor_id(); + const int cpu = smp_processor_id(); unsigned long *irqstack_end = (unsigned long *) (cpu_pda(cpu)->irqstackptr); unsigned long *irqstack = (unsigned long *) (cpu_pda(cpu)->irqstackptr - IRQSTACKSIZE); @@ -483,7 +483,7 @@ void show_registers(struct pt_regs *regs) int i; int in_kernel = !user_mode(regs); unsigned long rsp; - const int cpu = safe_smp_processor_id(); + const int cpu = smp_processor_id(); struct task_struct *cur = cpu_pda(cpu)->pcurrent; rsp = regs->rsp; @@ -558,7 +558,7 @@ static unsigned int die_nest_count; unsigned __kprobes long oops_begin(void) { - int cpu = safe_smp_processor_id(); + int cpu = smp_processor_id(); unsigned long flags; oops_enter(); @@ -636,7 +636,7 @@ void __kprobes die_nmi(char *str, struct pt_regs *regs, int do_panic) * We are in trouble anyway, lets at least try * to get a message out. */ - printk(str, safe_smp_processor_id()); + printk(str, smp_processor_id()); show_registers(regs); if (kexec_should_crash(current)) crash_kexec(regs); diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h index 498fbc1fc17..58b5d6149a4 100644 --- a/include/asm-x86_64/smp.h +++ b/include/asm-x86_64/smp.h @@ -66,7 +66,6 @@ static inline int hard_smp_processor_id(void) return GET_APIC_ID(*(unsigned int *)(APIC_BASE+APIC_ID)); } -extern int safe_smp_processor_id(void); extern int __cpu_disable(void); extern void __cpu_die(unsigned int cpu); extern void prefill_possible_map(void); @@ -100,7 +99,6 @@ static inline int cpu_present_to_apicid(int mps_cpu) #ifndef CONFIG_SMP #define stack_smp_processor_id() 0 -#define safe_smp_processor_id() 0 #define cpu_logical_map(x) (x) #else #include <asm/thread_info.h> |